A polarized micro-Raman study of a 0.65PbMg(1/3)Nb(2/3)O(3)-0.35PbTiO(3) single crystal
文献类型：期刊论文
| 作者 | Zhang, LY ; Zhu, K ; Liu, YL |
| 刊名 | CHINESE PHYSICS B
 |
| 出版日期 | 2012 |
| 卷号 | 21期号:1 |
| 关键词 | LEAD MAGNESIUM NIOBATE SCATTERING SPECTROSCOPY ORDER PMN (1-X)PB(MG1/3NB2/3)O-3-XPBTIO(3) CERAMICS FILMS |
| ISSN号 | 1674-1056 |
| 通讯作者 | Liu, YL: Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | Polarized micro-Raman spectra of a 0.65PbMg(1/3)Nb(2/3)O(3)-0.35PbTiO(3) (0.65PMN-0.35PT) single crystal poled in the [001] direction are obtained in a wide frequency range (50-2000 cm(-1)) at different temperatures. The best fit to the Raman spectrum at 77 K is achieved using 17 Lorenzians to convolute into it, and this is proved to be a reasonable fit. According to the group theory and selection rules of overtone and combinational modes, apart from the seven Raman modes that are from first-order Raman scattering, the remaining ones are attributed to being from second-order Raman scattering. A comparison between the experimental results and theoretical predictions shows that they are in satisfactory agreement with each other. Our results indicate that at 77 K the sample belongs to the rhombohedral symmetry with the C-3v(5)(R3m) space group (Z = 1). In our study, on heating, the 0.65PMN-0.35PT single crystal undergoes a rhombohedral -> tetragonal -> cubic phase transition sequence. The two phase transitions occur at 340 and 440 K, which correspond to the disappearance of the soft mode near 106 cm(-1) recorded in VV polarization and the vanishing of the band around 780 cm(-1) in VH polarization, respectively. |
| 收录类别 | SCI |
| 资助信息 | National Natural Science Foundation of China [10674171, 10874236] |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/33169]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Zhang, LY,Zhu, K,Liu, YL. A polarized micro-Raman study of a 0.65PbMg(1/3)Nb(2/3)O(3)-0.35PbTiO(3) single crystal[J]. CHINESE PHYSICS B,2012,21(1). |
| APA | Zhang, LY,Zhu, K,&Liu, YL.(2012).A polarized micro-Raman study of a 0.65PbMg(1/3)Nb(2/3)O(3)-0.35PbTiO(3) single crystal.CHINESE PHYSICS B,21(1). |
| MLA | Zhang, LY,et al."A polarized micro-Raman study of a 0.65PbMg(1/3)Nb(2/3)O(3)-0.35PbTiO(3) single crystal".CHINESE PHYSICS B 21.1(2012). |
入库方式： OAI收割
来源：物理研究所
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